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{ }JSON Tools

JSON Sorter

Use this free online JSON Sorter to sort JSON object keys alphabetically at every level. It works instantly in your browser, and your data never leaves your device.

About the JSON Sorter

Sorting keys makes two JSON documents easy to compare and keeps config files tidy. This tool sorts keys recursively in ascending or descending order without changing any values.

Also known as: sort json keys, json key sorter.

How to use the JSON Sorter

  1. Paste your input into the box above, upload a file, or click Sample to try an example.
  2. Pick any options you need. The JSON Sorter processes your input instantly as you type.
  3. Click Copy to copy the output or Download to save it as a file.

Features

  • Free with no signup and no daily limits
  • Private: runs entirely in your browser
  • Works on mobile, tablet and desktop
  • Upload files and download results
  • Live results as you type, with clear error messages
  • Clean, fast interface with no popups

Frequently asked questions

Is the JSON Sorter free to use?

Yes. The JSON Sorter is completely free with no signup, no limits on normal use and no watermark.

Is my data safe?

Yes. Everything is processed by JavaScript inside your own browser. Your text is never uploaded to our server or stored anywhere.

Why does it say my JSON is invalid?

The most common reasons are single quotes instead of double quotes, a trailing comma after the last item, keys without quotes, or comments. The error message shows the exact line and column so you can fix it quickly.

Can I upload a JSON file?

Yes. Click Upload to open a .json or .txt file from your device, or paste the content directly. You can download the result as a file.

What else is this tool called?

People also search for it as sort json keys, json key sorter. It is the same free tool.